Hearing sight and sound are an example of that u can use to make observations

What energy is it when you flip on a switch on a lamp

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin

The fact that the total amount of energy in a system remains constant is a(n)